[mr2868] Cosmetic changes, GUID -> Guid
[mr2869] EventAI: 1) some speed up in ProcessEvent (not need call ProcessAction if no action). 2) Out more info if creature has EventAI and SD2 script.
[mr2870] Some cosmetics for Item.cpp and fix DeleteLootFromDB()
[mr2871] Initialize forgotten variable
[mr2872] Show error in client, if potion not accepted by character class
[mr2873] Fixes to G3D
[mr2874] Fix spell 19695
[mr2875] Fix spells 39635, 39849
[mr2876] Fix Demonic Sacrifice (Warlock spell 18788)
[mr2877] Fix Night of the Dead DK talent for ghouls
[mr2878] Fix Quest 13071 (spell 7769)
[mr2879] revert wrong expression from mr2870
[mr2880] use cached passenger container instead of plain for functeoned iterate. related to mangos3/#29
[mr2881] ome rework in SpellMgr::IsTargetMatchedWithCreatureType, related to #1383. need test.
[mr2882] fix "selfcast check" for some friendly-targeted auras.
[mr2883] reorder calling in AttackerStorage, mut give additional speedup and safety. testing.
SD2 update
[mr2884] Fix spell 13280
[mr2885] Fix spells 19869, 20037
[mr2886] Fix spell 29970